Home / 141,944.76-195,883.65-78,286.59

Finding the Fourth Proportional to 141,944.76, 195,883.65 and 78,286.59

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Solution

The fourth proportional to 141,944.76, 195,883.65 and 78,286.59 is: 108,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,944.76 : 195,883.65 = 78,286.59 : x
  2. Step 2: Convert to fraction form
    141,944.76/195,883.65 = 78,286.59/x
  3. Step 3: Cross multiply
    141,944.76x = 195,883.65 × 78,286.59
  4. Step 4: Simplify right side
    141,944.76x = 15,335,062,995.25
  5. Step 5: Solve for x
    x = 15,335,062,995.25/141,944.76
  6. Step 6: Final answer
    x = 108,035.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.